Fix parcel issue re 'fs' in browser.  Also update yarn.lock (#130)
Fix parcel issue re 'fs' in browser.  Also update yarn.lock (#130)


tensorflow/tfjs-data,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs-data,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs-data,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs,tensorflow/tfjs-data